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   <div id="projectname">MD_MAX72xx LED Matrix Arduino Library
   &#160;<span id="projectnumber">2.8</span>
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   <div id="projectbrief">Library to control connected  MAX72XX devices as a pixel array</div>
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<div class="title">Generic Module </div>  </div>
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<div class="textblock"><h2>Generic MAX7219 Module </h2>
<p>These modules are commonly available from many suppliers (eg, eBay) at reasonable cost. They are characterized by IN and OUT connectors at the short ends of the rectangular PCB.</p>
<div class="image">
<img src="Generic_Module.png" alt="Generic_Module.png"/>
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Generic Module</div></div>
<hr/>
<h2>Module Orientation </h2>
<pre class="fragment">      C  C  D  G  V
      L  S  I  N  c
      K     N  D  c
      |  |  |  |  |
      V  V  V  |  |
  D7 D6 D5 D4 D3 D2 D1 D0
+------------------------+ 
| 7  6  5  4  3  2  1  0 |- DP
|                      1 |- A
|                      2 |- B
|                      3 |- C
| O                    4 |- D
| O  O                 5 |- E
| O  O  O              6 |- F
| O  O  O  O           7 |- G
+-----+--+--+--+--+------+
      |  |  |  |  |
      V  V  V  |  |

      C  C  D  G  V
      L  S  O  N  c
      K     U  D  c
            T
</pre><hr/>
<h2>Module Interconnections </h2>
<p>Generic modules need to be oriented with the MAX7219 IC at the top and connected using short patch cables in a spiral pattern. The display is oriented with the IC at the top. </p><div class="image">
<img src="Generic_conn.jpg" alt="Generic_conn.jpg"/>
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Connecting Generic modules</div></div>
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